.main .banner {
  width: 100%;
  height: 600px;
}
.main .banner img {
  width: 100%;
  height: 600px;
}
.main .intro {
  padding-top: 150px;
  padding-bottom: 150px;
}
.main .intro .intro-box {
  display: flex;
  margin-top: 60px;
  width: 1200px;
  height: 722px;
}
.main .intro .intro-box .big {
  width: 722px;
  height: 722px;
}
.main .intro .intro-box .small {
  margin-top: 110px;
  margin-left: 83px;
  width: 369px;
  height: 479px;
}
.main .development {
  padding-top: 150px;
  padding-bottom: 150px;
}
.main .development .development-list {
  display: flex;
  justify-content: space-between;
  margin-top: 60px;
  width: 1200px;
  height: 439px;
}
.main .development .development-list .development-item {
  width: 386px;
  height: 439px;
  opacity: 1;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid #ffffff;
}
.main .development .development-list .development-item img {
  width: 386px;
  height: 439px;
}
.main .people {
  padding-top: 150px;
  padding-bottom: 150px;
}
.main .people .people-list {
  display: flex;
  justify-content: space-between;
  margin-top: 60px;
  width: 1200px;
  height: 354px;
}
.main .people .people-list .people-item {
  padding: 30px;
  width: 386px;
  height: 354px;
  text-align: center;
  align-items: center;
  opacity: 1;
  border-radius: 20px;
  background: #e3eaff;
}
.main .people .people-list .people-item .photo {
  margin-left: 88px;
  padding-top: 18px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  opacity: 1;
  background: #d5ddf5;
  overflow: hidden;
}
.main .people .people-list .people-item .photo img {
  width: 99px;
  height: 132px;
}
.main .people .people-list .people-item h5 {
  margin-top: 20px;
  font-size: 32px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 37.5px;
  color: #333333;
}
.main .people .people-list .people-item p {
  margin-top: 20px;
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 28px;
  color: #666666;
}
.main .courses {
  padding-top: 150px;
  padding-bottom: 150px;
}
.main .courses .course-table {
  display: flex;
  margin-top: 60px;
  padding: 10px;
  width: 1200px;
  height: 720px;
  border-radius: 20px;
  background: url(../assets/uploads/blue-background.webp);
  background-repeat: no-repeat;
  background-size: cover;
}
.main .courses .course-table .left {
  margin-right: 10px;
  width: 349px;
  height: 700px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 20px;
}
.main .courses .course-table .left .left-list:hover {
  cursor: pointer;
}
.main .courses .course-table .left .left-list .left-item {
  padding: 24px;
  width: 100%;
  height: 100px;
}
.main .courses .course-table .left .left-list .left-item h6 {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0px;
  line-height: 23.44px;
  color: #ffffff;
}
.main .courses .course-table .left .left-list .left-item p {
  margin-top: 6px;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 21.1px;
  color: #ffffff;
}
.main .courses .course-table .left .left-list .left-item:nth-child(1) {
  border-radius: 20px 20px 0 0;
}
.main .courses .course-table .left .left-list .left-item:nth-last-child(1) {
  border-radius: 0 0 20px 20px;
}
.main .courses .course-table .left .left-list .active {
  background: rgba(255, 255, 255, 0.9);
}
.main .courses .course-table .left .left-list .active h6 {
  color: #1842b6;
}
.main .courses .course-table .left .left-list .active p {
  color: #333333;
}
.main .courses .course-table .all-list .single-list {
  display: none;
}
.main .courses .course-table .all-list .single-list .right {
  width: 821px;
  height: 700px;
  border-radius: 20px;
  background: #ffffff;
}
.main .courses .course-table .all-list .single-list .right .right-list .right-item h5 {
  padding-left: 20px;
  width: 821px;
  height: 60px;
  opacity: 1;
  background: linear-gradient(90deg, #d1ebff 0%, #ffffff 100%);
  font-size: 20px;
  font-weight: 500;
  line-height: 60px;
  color: #333333;
}
.main .courses .course-table .all-list .single-list .right .right-list .right-item p {
  margin: 20px;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 27px;
  color: #333333;
}
.main .courses .course-table .all-list .single-list .right .right-list .right-item:nth-child(1) h5 {
  border-radius: 20px 20px 0 0;
}
.main .courses .course-table .all-list .single-list.active {
  display: block;
}
